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Paper Abstract and Keywords
Presentation 2010-12-09 15:30
A Study of Read/Write Channel Modeling for Two-Dimensional Magnetic Recording
Masato Yamashita, Hisashi Osawa, Yoshihiro Okamoto, Yasuaki Nakamura (Ehime Univ.), Yoshio Suzuki (Nihon Univ.), Kenji Miura, Hiroaki Muraoka (Tohoku Univ.) MR2010-46
Abstract (in Japanese) (See Japanese page) 
(in English) Read/write channel modeling using a discrete Voronoi diagram is studied for two-dimensional magnetic recording. The simple closed-form representation of reader sensitivity function with fitting parameters given by linear combinations of geometry parameters of head and medium is proposed for modeling the reading process. These fitting parameters are optimized by using a real-coded genetic algorithm. It is clarified that the closed-form representation using a hyperbolic tangent function provides a good approximation to an accurate sensitivity function based on a two-dimensional finite element method and a surfacing modification. Furthermore, the signal-to-noise ratio is also calculated by using a readback waveform obtained from the constructed read/write channel model under a shingled magnetic recording spec of $4\:\rm{Tb/in^{2}}$.
Keyword (in Japanese) (See Japanese page) 
(in English) TDMR / SMR / discrete Voronoi diagram / closed-form representation of sensitivity function / real-coded genetic algorithm / / /  
Reference Info. IEICE Tech. Rep., vol. 110, Dec. 2010.
Paper #  
Date of Issue 2010-12-02 (MR) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee ITE-MMS MRIS  
Conference Date 2010-12-09 - 2010-12-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Ehime Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MRIS 
Conference Code 2010-12-MMS-MR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study of Read/Write Channel Modeling for Two-Dimensional Magnetic Recording 
Sub Title (in English)  
Keyword(1) TDMR  
Keyword(2) SMR  
Keyword(3) discrete Voronoi diagram  
Keyword(4) closed-form representation of sensitivity function  
Keyword(5) real-coded genetic algorithm  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Masato Yamashita  
1st Author's Affiliation Ehime University (Ehime Univ.)
2nd Author's Name Hisashi Osawa  
2nd Author's Affiliation Ehime University (Ehime Univ.)
3rd Author's Name Yoshihiro Okamoto  
3rd Author's Affiliation Ehime University (Ehime Univ.)
4th Author's Name Yasuaki Nakamura  
4th Author's Affiliation Ehime University (Ehime Univ.)
5th Author's Name Yoshio Suzuki  
5th Author's Affiliation Nihon University (Nihon Univ.)
6th Author's Name Kenji Miura  
6th Author's Affiliation Tohoku University (Tohoku Univ.)
7th Author's Name Hiroaki Muraoka  
7th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2010-12-09 15:30:00 
Presentation Time 30 minutes 
Registration for MRIS 
Paper # MR2010-46 
Volume (vol) vol.110 
Number (no) no.329 
Page pp.31-38 
#Pages 8 
Date of Issue 2010-12-02 (MR) 

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